Re: [PATCH v2 18/18] thunderbolt: Add support for Intel Titan Ridge

From: Andy Shevchenko
Date: Mon Feb 26 2018 - 10:34:24 EST

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In reply to: Mika Westerberg: "[PATCH v2 18/18] thunderbolt: Add support for Intel Titan Ridge"
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On Mon, 2018-02-26 at 17:10 +0300, Mika Westerberg wrote:
> From: Radion Mirchevsky <radion.mirchevsky@xxxxxxxxx>
>
> Intel Titan Ridge is the next Thunderbolt 3 controller. The ICM
> firmware
> message format in Titan Ridge differs from Falcon Ridge and Alpine
> Ridge
> somewhat because it is using route strings addressing devices. In
> addition to that the DMA port of 4-channel (two port) controller is in
> different port number than the previous controllers. There are some
> other minor differences as well.
>
> This patch add support for Intel Titan Ridge and the new ICM firmware
> message format.
>

All right then, looks good!

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Signed-off-by: Radion Mirchevsky <radion.mirchevsky@xxxxxxxxx>
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> ---
> drivers/thunderbolt/dma_port.c | 28 ++-
> drivers/thunderbolt/icm.c | 382
> +++++++++++++++++++++++++++++++++++++++++
> drivers/thunderbolt/nhi.c | 2 +
> drivers/thunderbolt/nhi.h | 5 +
> drivers/thunderbolt/switch.c | 3 +
> drivers/thunderbolt/tb_msgs.h | 141 +++++++++++++++
> 6 files changed, 546 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/thunderbolt/dma_port.c
> b/drivers/thunderbolt/dma_port.c
> index af6dde347bee..f2701194f810 100644
> --- a/drivers/thunderbolt/dma_port.c
> +++ b/drivers/thunderbolt/dma_port.c
> @@ -170,24 +170,22 @@ static int dma_port_write(struct tb_ctl *ctl,
> const void *buffer, u64 route,
>
> static int dma_find_port(struct tb_switch *sw)
> {
> - int port, ret;
> - u32 type;
> + static const int ports[] = { 3, 5, 7 };
> + int i;
>
> /*
> - * The DMA (NHI) port is either 3 or 5 depending on the
> - * controller. Try both starting from 5 which is more common.
> + * The DMA (NHI) port is either 3, 5 or 7 depending on the
> + * controller. Try all of them.
> */
> - port = 5;
> - ret = dma_port_read(sw->tb->ctl, &type, tb_route(sw), port,
> 2, 1,
> - DMA_PORT_TIMEOUT);
> - if (!ret && (type & 0xffffff) == TB_TYPE_NHI)
> - return port;
> -
> - port = 3;
> - ret = dma_port_read(sw->tb->ctl, &type, tb_route(sw), port,
> 2, 1,
> - DMA_PORT_TIMEOUT);
> - if (!ret && (type & 0xffffff) == TB_TYPE_NHI)
> - return port;
> + for (i = 0; i < ARRAY_SIZE(ports); i++) {
> + u32 type;
> + int ret;
> +
> + ret = dma_port_read(sw->tb->ctl, &type, tb_route(sw),
> ports[i],
> + 2, 1, DMA_PORT_TIMEOUT);
> + if (!ret && (type & 0xffffff) == TB_TYPE_NHI)
> + return ports[i];
> + }
>
> return -ENODEV;
> }
> diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
> index 1f2c17bc7571..10cef4e0f032 100644
> --- a/drivers/thunderbolt/icm.c
> +++ b/drivers/thunderbolt/icm.c
> @@ -118,6 +118,12 @@ static inline u64 get_route(u32 route_hi, u32
> route_lo)
> return (u64)route_hi << 32 | route_lo;
> }
>
> +static inline u64 get_parent_route(u64 route)
> +{
> + int depth = tb_route_length(route);
> + return depth ? route & ~(0xffULL << (depth - 1) *
> TB_ROUTE_SHIFT) : 0;
> +}
> +
> static bool icm_match(const struct tb_cfg_request *req,
> const struct ctl_pkg *pkg)
> {
> @@ -749,6 +755,351 @@ icm_fr_xdomain_disconnected(struct tb *tb, const
> struct icm_pkg_header *hdr)
> }
> }
>
> +static int
> +icm_tr_driver_ready(struct tb *tb, enum tb_security_level
> *security_level,
> + size_t *nboot_acl)
> +{
> + struct icm_tr_pkg_driver_ready_response reply;
> + struct icm_pkg_driver_ready request = {
> + .hdr.code = ICM_DRIVER_READY,
> + };
> + int ret;
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, 20000);
> + if (ret)
> + return ret;
> +
> + if (security_level)
> + *security_level = reply.info &
> ICM_TR_INFO_SLEVEL_MASK;
> + if (nboot_acl)
> + *nboot_acl = (reply.info & ICM_TR_INFO_BOOT_ACL_MASK)
> >>
> + ICM_TR_INFO_BOOT_ACL_SHIFT;
> + return 0;
> +}
> +
> +static int icm_tr_approve_switch(struct tb *tb, struct tb_switch *sw)
> +{
> + struct icm_tr_pkg_approve_device request;
> + struct icm_tr_pkg_approve_device reply;
> + int ret;
> +
> + memset(&request, 0, sizeof(request));
> + memcpy(&request.ep_uuid, sw->uuid, sizeof(request.ep_uuid));
> + request.hdr.code = ICM_APPROVE_DEVICE;
> + request.route_lo = sw->config.route_lo;
> + request.route_hi = sw->config.route_hi;
> + request.connection_id = sw->connection_id;
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, ICM_APPROVE_TIMEOUT);
> + if (ret)
> + return ret;
> +
> + if (reply.hdr.flags & ICM_FLAGS_ERROR) {
> + tb_warn(tb, "PCIe tunnel creation failed\n");
> + return -EIO;
> + }
> +
> + return 0;
> +}
> +
> +static int icm_tr_add_switch_key(struct tb *tb, struct tb_switch *sw)
> +{
> + struct icm_tr_pkg_add_device_key_response reply;
> + struct icm_tr_pkg_add_device_key request;
> + int ret;
> +
> + memset(&request, 0, sizeof(request));
> + memcpy(&request.ep_uuid, sw->uuid, sizeof(request.ep_uuid));
> + request.hdr.code = ICM_ADD_DEVICE_KEY;
> + request.route_lo = sw->config.route_lo;
> + request.route_hi = sw->config.route_hi;
> + request.connection_id = sw->connection_id;
> + memcpy(request.key, sw->key, TB_SWITCH_KEY_SIZE);
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, ICM_TIMEOUT);
> + if (ret)
> + return ret;
> +
> + if (reply.hdr.flags & ICM_FLAGS_ERROR) {
> + tb_warn(tb, "Adding key to switch failed\n");
> + return -EIO;
> + }
> +
> + return 0;
> +}
> +
> +static int icm_tr_challenge_switch_key(struct tb *tb, struct
> tb_switch *sw,
> + const u8 *challenge, u8
> *response)
> +{
> + struct icm_tr_pkg_challenge_device_response reply;
> + struct icm_tr_pkg_challenge_device request;
> + int ret;
> +
> + memset(&request, 0, sizeof(request));
> + memcpy(&request.ep_uuid, sw->uuid, sizeof(request.ep_uuid));
> + request.hdr.code = ICM_CHALLENGE_DEVICE;
> + request.route_lo = sw->config.route_lo;
> + request.route_hi = sw->config.route_hi;
> + request.connection_id = sw->connection_id;
> + memcpy(request.challenge, challenge, TB_SWITCH_KEY_SIZE);
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, ICM_TIMEOUT);
> + if (ret)
> + return ret;
> +
> + if (reply.hdr.flags & ICM_FLAGS_ERROR)
> + return -EKEYREJECTED;
> + if (reply.hdr.flags & ICM_FLAGS_NO_KEY)
> + return -ENOKEY;
> +
> + memcpy(response, reply.response, TB_SWITCH_KEY_SIZE);
> +
> + return 0;
> +}
> +
> +static int icm_tr_approve_xdomain_paths(struct tb *tb, struct
> tb_xdomain *xd)
> +{
> + struct icm_tr_pkg_approve_xdomain_response reply;
> + struct icm_tr_pkg_approve_xdomain request;
> + int ret;
> +
> + memset(&request, 0, sizeof(request));
> + request.hdr.code = ICM_APPROVE_XDOMAIN;
> + request.route_hi = upper_32_bits(xd->route);
> + request.route_lo = lower_32_bits(xd->route);
> + request.transmit_path = xd->transmit_path;
> + request.transmit_ring = xd->transmit_ring;
> + request.receive_path = xd->receive_path;
> + request.receive_ring = xd->receive_ring;
> + memcpy(&request.remote_uuid, xd->remote_uuid, sizeof(*xd-
> >remote_uuid));
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, ICM_TIMEOUT);
> + if (ret)
> + return ret;
> +
> + if (reply.hdr.flags & ICM_FLAGS_ERROR)
> + return -EIO;
> +
> + return 0;
> +}
> +
> +static int icm_tr_xdomain_tear_down(struct tb *tb, struct tb_xdomain
> *xd,
> + int stage)
> +{
> + struct icm_tr_pkg_disconnect_xdomain_response reply;
> + struct icm_tr_pkg_disconnect_xdomain request;
> + int ret;
> +
> + memset(&request, 0, sizeof(request));
> + request.hdr.code = ICM_DISCONNECT_XDOMAIN;
> + request.stage = stage;
> + request.route_hi = upper_32_bits(xd->route);
> + request.route_lo = lower_32_bits(xd->route);
> + memcpy(&request.remote_uuid, xd->remote_uuid, sizeof(*xd-
> >remote_uuid));
> +
> + memset(&reply, 0, sizeof(reply));
> + ret = icm_request(tb, &request, sizeof(request), &reply,
> sizeof(reply),
> + 1, ICM_TIMEOUT);
> + if (ret)
> + return ret;
> +
> + if (reply.hdr.flags & ICM_FLAGS_ERROR)
> + return -EIO;
> +
> + return 0;
> +}
> +
> +static int icm_tr_disconnect_xdomain_paths(struct tb *tb, struct
> tb_xdomain *xd)
> +{
> + int ret;
> +
> + ret = icm_tr_xdomain_tear_down(tb, xd, 1);
> + if (ret)
> + return ret;
> +
> + usleep_range(10, 50);
> + return icm_tr_xdomain_tear_down(tb, xd, 2);
> +}
> +
> +static void
> +icm_tr_device_connected(struct tb *tb, const struct icm_pkg_header
> *hdr)
> +{
> + const struct icm_tr_event_device_connected *pkg =
> + (const struct icm_tr_event_device_connected *)hdr;
> + enum tb_security_level security_level;
> + struct tb_switch *sw, *parent_sw;
> + struct tb_xdomain *xd;
> + bool authorized, boot;
> + u64 route;
> +
> + /*
> + * Currently we don't use the QoS information coming with the
> + * device connected message so simply just ignore that extra
> + * packet for now.
> + */
> + if (pkg->hdr.packet_id)
> + return;
> +
> + /*
> + * After NVM upgrade adding root switch device fails because
> we
> + * initiated reset. During that time ICM might still send
> device
> + * connected message which we ignore here.
> + */
> + if (!tb->root_switch)
> + return;
> +
> + route = get_route(pkg->route_hi, pkg->route_lo);
> + authorized = pkg->link_info & ICM_LINK_INFO_APPROVED;
> + security_level = (pkg->hdr.flags & ICM_FLAGS_SLEVEL_MASK) >>
> + ICM_FLAGS_SLEVEL_SHIFT;
> + boot = pkg->link_info & ICM_LINK_INFO_BOOT;
> +
> + if (pkg->link_info & ICM_LINK_INFO_REJECTED) {
> + tb_info(tb, "switch at %llx was rejected by ICM
> firmware\n",
> + route);
> + return;
> + }
> +
> + sw = tb_switch_find_by_uuid(tb, &pkg->ep_uuid);
> + if (sw) {
> + /* Update the switch if it is still in the same place
> */
> + if (tb_route(sw) == route && !!sw->authorized ==
> authorized) {
> + parent_sw = tb_to_switch(sw->dev.parent);
> + update_switch(parent_sw, sw, route, pkg-
> >connection_id,
> + 0, 0, 0, boot);
> + tb_switch_put(sw);
> + return;
> + }
> +
> + remove_switch(sw);
> + tb_switch_put(sw);
> + }
> +
> + /* Another switch with the same address */
> + sw = tb_switch_find_by_route(tb, route);
> + if (sw) {
> + remove_switch(sw);
> + tb_switch_put(sw);
> + }
> +
> + /* XDomain connection with the same address */
> + xd = tb_xdomain_find_by_route(tb, route);
> + if (xd) {
> + remove_xdomain(xd);
> + tb_xdomain_put(xd);
> + }
> +
> + parent_sw = tb_switch_find_by_route(tb,
> get_parent_route(route));
> + if (!parent_sw) {
> + tb_err(tb, "failed to find parent switch for %llx\n",
> route);
> + return;
> + }
> +
> + add_switch(parent_sw, route, &pkg->ep_uuid, pkg-
> >connection_id,
> + 0, 0, 0, security_level, authorized, boot);
> +
> + tb_switch_put(parent_sw);
> +}
> +
> +static void
> +icm_tr_device_disconnected(struct tb *tb, const struct icm_pkg_header
> *hdr)
> +{
> + const struct icm_tr_event_device_disconnected *pkg =
> + (const struct icm_tr_event_device_disconnected *)hdr;
> + struct tb_switch *sw;
> + u64 route;
> +
> + route = get_route(pkg->route_hi, pkg->route_lo);
> +
> + sw = tb_switch_find_by_route(tb, route);
> + if (!sw) {
> + tb_warn(tb, "no switch exists at %llx, ignoring\n",
> route);
> + return;
> + }
> +
> + remove_switch(sw);
> + tb_switch_put(sw);
> +}
> +
> +static void
> +icm_tr_xdomain_connected(struct tb *tb, const struct icm_pkg_header
> *hdr)
> +{
> + const struct icm_tr_event_xdomain_connected *pkg =
> + (const struct icm_tr_event_xdomain_connected *)hdr;
> + struct tb_xdomain *xd;
> + struct tb_switch *sw;
> + u64 route;
> +
> + if (!tb->root_switch)
> + return;
> +
> + route = get_route(pkg->local_route_hi, pkg->local_route_lo);
> +
> + xd = tb_xdomain_find_by_uuid(tb, &pkg->remote_uuid);
> + if (xd) {
> + if (xd->route == route) {
> + update_xdomain(xd, route, 0);
> + tb_xdomain_put(xd);
> + return;
> + }
> +
> + remove_xdomain(xd);
> + tb_xdomain_put(xd);
> + }
> +
> + /* An existing xdomain with the same address */
> + xd = tb_xdomain_find_by_route(tb, route);
> + if (xd) {
> + remove_xdomain(xd);
> + tb_xdomain_put(xd);
> + }
> +
> + /*
> + * If the user disconnected a switch during suspend and
> + * connected another host to the same port, remove the switch
> + * first.
> + */
> + sw = get_switch_at_route(tb->root_switch, route);
> + if (sw)
> + remove_switch(sw);
> +
> + sw = tb_switch_find_by_route(tb, get_parent_route(route));
> + if (!sw) {
> + tb_warn(tb, "no switch exists at %llx, ignoring\n",
> route);
> + return;
> + }
> +
> + add_xdomain(sw, route, &pkg->local_uuid, &pkg->remote_uuid,
> 0, 0);
> + tb_switch_put(sw);
> +}
> +
> +static void
> +icm_tr_xdomain_disconnected(struct tb *tb, const struct
> icm_pkg_header *hdr)
> +{
> + const struct icm_tr_event_xdomain_disconnected *pkg =
> + (const struct icm_tr_event_xdomain_disconnected
> *)hdr;
> + struct tb_xdomain *xd;
> + u64 route;
> +
> + route = get_route(pkg->route_hi, pkg->route_lo);
> +
> + xd = tb_xdomain_find_by_route(tb, route);
> + if (xd) {
> + remove_xdomain(xd);
> + tb_xdomain_put(xd);
> + }
> +}
> +
> static struct pci_dev *get_upstream_port(struct pci_dev *pdev)
> {
> struct pci_dev *parent;
> @@ -1471,6 +1822,24 @@ static const struct tb_cm_ops icm_ar_ops = {
> .disconnect_xdomain_paths = icm_fr_disconnect_xdomain_paths,
> };
>
> +/* Titan Ridge */
> +static const struct tb_cm_ops icm_tr_ops = {
> + .driver_ready = icm_driver_ready,
> + .start = icm_start,
> + .stop = icm_stop,
> + .suspend = icm_suspend,
> + .complete = icm_complete,
> + .handle_event = icm_handle_event,
> + .get_boot_acl = icm_ar_get_boot_acl,
> + .set_boot_acl = icm_ar_set_boot_acl,
> + .approve_switch = icm_tr_approve_switch,
> + .add_switch_key = icm_tr_add_switch_key,
> + .challenge_switch_key = icm_tr_challenge_switch_key,
> + .disconnect_pcie_paths = icm_disconnect_pcie_paths,
> + .approve_xdomain_paths = icm_tr_approve_xdomain_paths,
> + .disconnect_xdomain_paths = icm_tr_disconnect_xdomain_paths,
> +};
> +
> struct tb *icm_probe(struct tb_nhi *nhi)
> {
> struct icm *icm;
> @@ -1513,6 +1882,19 @@ struct tb *icm_probe(struct tb_nhi *nhi)
> icm->xdomain_disconnected =
> icm_fr_xdomain_disconnected;
> tb->cm_ops = &icm_ar_ops;
> break;
> +
> + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_NHI:
> + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_NHI:
> + icm->max_boot_acl = ICM_AR_PREBOOT_ACL_ENTRIES;
> + icm->is_supported = icm_ar_is_supported;
> + icm->get_mode = icm_ar_get_mode;
> + icm->driver_ready = icm_tr_driver_ready;
> + icm->device_connected = icm_tr_device_connected;
> + icm->device_disconnected =
> icm_tr_device_disconnected;
> + icm->xdomain_connected = icm_tr_xdomain_connected;
> + icm->xdomain_disconnected =
> icm_tr_xdomain_disconnected;
> + tb->cm_ops = &icm_tr_ops;
> + break;
> }
>
> if (!icm->is_supported || !icm->is_supported(tb)) {
> diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
> index 9e58d09f6029..f5a33e88e676 100644
> --- a/drivers/thunderbolt/nhi.c
> +++ b/drivers/thunderbolt/nhi.c
> @@ -1111,6 +1111,8 @@ static struct pci_device_id nhi_ids[] = {
> { PCI_VDEVICE(INTEL,
> PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_NHI) },
> { PCI_VDEVICE(INTEL,
> PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_NHI) },
> { PCI_VDEVICE(INTEL,
> PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_USBONLY_NHI) },
> + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_NHI)
> },
> + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_NHI)
> },
>
> { 0,}
> };
> diff --git a/drivers/thunderbolt/nhi.h b/drivers/thunderbolt/nhi.h
> index 4476ab4cfd0c..1696a4560948 100644
> --- a/drivers/thunderbolt/nhi.h
> +++ b/drivers/thunderbolt/nhi.h
> @@ -45,5 +45,10 @@ enum nhi_fw_mode nhi_mailbox_mode(struct tb_nhi
> *nhi);
> #define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_USBONLY_NHI 0x15dc
> #define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_USBONLY_NHI 0x15dd
> #define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_USBONLY_NHI 0x15de
> +#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE 0x15e7
> +#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_NHI 0x15e8
> +#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE 0x15ea
> +#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_NHI 0x15eb
> +#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE 0x15ef
>
> #endif
> diff --git a/drivers/thunderbolt/switch.c
> b/drivers/thunderbolt/switch.c
> index e9e30aaab2a3..25758671ddf4 100644
> --- a/drivers/thunderbolt/switch.c
> +++ b/drivers/thunderbolt/switch.c
> @@ -1051,6 +1051,9 @@ static int tb_switch_get_generation(struct
> tb_switch *sw)
> case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_BRIDGE:
> case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_BRIDGE:
> case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_BRIDGE:
> + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE:
> + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE:
> + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE:
> return 3;
>
> default:
> diff --git a/drivers/thunderbolt/tb_msgs.h
> b/drivers/thunderbolt/tb_msgs.h
> index e0edb9541e5d..028fe6c4accf 100644
> --- a/drivers/thunderbolt/tb_msgs.h
> +++ b/drivers/thunderbolt/tb_msgs.h
> @@ -102,6 +102,7 @@ enum icm_pkg_code {
> ICM_ADD_DEVICE_KEY = 0x6,
> ICM_GET_ROUTE = 0xa,
> ICM_APPROVE_XDOMAIN = 0x10,
> + ICM_DISCONNECT_XDOMAIN = 0x11,
> ICM_PREBOOT_ACL = 0x18,
> };
>
> @@ -321,6 +322,146 @@ struct icm_ar_pkg_preboot_acl_response {
> struct icm_ar_boot_acl_entry acl[ICM_AR_PREBOOT_ACL_ENTRIES];
> };
>
> +/* Titan Ridge messages */
> +
> +struct icm_tr_pkg_driver_ready_response {
> + struct icm_pkg_header hdr;
> + u16 reserved1;
> + u16 info;
> + u32 nvm_version;
> + u16 device_id;
> + u16 reserved2;
> +};
> +
> +#define ICM_TR_INFO_SLEVEL_MASK GENMASK(2, 0)
> +#define ICM_TR_INFO_BOOT_ACL_SHIFT 7
> +#define ICM_TR_INFO_BOOT_ACL_MASK GENMASK(12, 7)
> +
> +struct icm_tr_event_device_connected {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved;
> + u16 link_info;
> + u32 ep_name[55];
> +};
> +
> +struct icm_tr_event_device_disconnected {
> + struct icm_pkg_header hdr;
> + u32 route_hi;
> + u32 route_lo;
> +};
> +
> +struct icm_tr_event_xdomain_connected {
> + struct icm_pkg_header hdr;
> + u16 reserved;
> + u16 link_info;
> + uuid_t remote_uuid;
> + uuid_t local_uuid;
> + u32 local_route_hi;
> + u32 local_route_lo;
> + u32 remote_route_hi;
> + u32 remote_route_lo;
> +};
> +
> +struct icm_tr_event_xdomain_disconnected {
> + struct icm_pkg_header hdr;
> + u32 route_hi;
> + u32 route_lo;
> + uuid_t remote_uuid;
> +};
> +
> +struct icm_tr_pkg_approve_device {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved1[3];
> +};
> +
> +struct icm_tr_pkg_add_device_key {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved[3];
> + u32 key[8];
> +};
> +
> +struct icm_tr_pkg_challenge_device {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved[3];
> + u32 challenge[8];
> +};
> +
> +struct icm_tr_pkg_approve_xdomain {
> + struct icm_pkg_header hdr;
> + u32 route_hi;
> + u32 route_lo;
> + uuid_t remote_uuid;
> + u16 transmit_path;
> + u16 transmit_ring;
> + u16 receive_path;
> + u16 receive_ring;
> +};
> +
> +struct icm_tr_pkg_disconnect_xdomain {
> + struct icm_pkg_header hdr;
> + u8 stage;
> + u8 reserved[3];
> + u32 route_hi;
> + u32 route_lo;
> + uuid_t remote_uuid;
> +};
> +
> +struct icm_tr_pkg_challenge_device_response {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved[3];
> + u32 challenge[8];
> + u32 response[8];
> +};
> +
> +struct icm_tr_pkg_add_device_key_response {
> + struct icm_pkg_header hdr;
> + uuid_t ep_uuid;
> + u32 route_hi;
> + u32 route_lo;
> + u8 connection_id;
> + u8 reserved[3];
> +};
> +
> +struct icm_tr_pkg_approve_xdomain_response {
> + struct icm_pkg_header hdr;
> + u32 route_hi;
> + u32 route_lo;
> + uuid_t remote_uuid;
> + u16 transmit_path;
> + u16 transmit_ring;
> + u16 receive_path;
> + u16 receive_ring;
> +};
> +
> +struct icm_tr_pkg_disconnect_xdomain_response {
> + struct icm_pkg_header hdr;
> + u8 stage;
> + u8 reserved[3];
> + u32 route_hi;
> + u32 route_lo;
> + uuid_t remote_uuid;
> +};
> +
> /* XDomain messages */
>
> struct tb_xdomain_header {

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy

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